Version 1.0, August 31, 2001, Copyright, Hugh Jack 1993-2001

8.4 FEEDS AND SPEEDS

 

· If we consider the speed and feed of a lathe,

  1. - Spindle Speed is in revolutions per minute
  2. - Feed is in inches per revolution

 

· The Feed Chart is used to select the speeds and feeds of the lathe, and is often attached to the lathe near the setting levers.

 

· There are some simple (geometric) equations that can be listed,

 

 

· Typical cutting speeds for a high speed steel tool are, [Krar]

 

 

· Typical feeds when using a high speed steel tool are, [Krar]

 

 

 

8.4.1 The mrr for Turning

8.4.2 Process Planning for Turning